fprintf函数和printf函数打印出结果不一致
这是生成IP地址的子函数，代码如下：
FILE *out; out=fopen("1.txt","a"); l.Dfirst=0; l.Dsecond=0; l.Dthird=0; l.Dfourth=0; //初始化 //A类地址FIRST最大127 l.Dfirst=127; l.Dsecond=100; l.Dthird=100; l.Dfourth=100; //A类IP起始地址127.100.100.100 while(l.Dfirst<=127) { if(l.Dfourth<255) { printf("%d.%d.%d.%d\n",l.Dfirst,l.Dsecond,l.Dthird,l.Dfourth); fprintf(out,"%d.%d.%d.%d\n",l.Dfirst,l.Dsecond,l.Dthird,l.Dfourth); l.Dfourth++; } else if (l.Dthird<255) { printf("%d.%d.%d.%d\n",l.Dfirst,l.Dsecond,l.Dthird,l.Dfourth); fprintf(out,"%d.%d.%d.%d\n",l.Dfirst,l.Dsecond,l.Dthird,l.Dfourth); l.Dthird++; } else if (l.Dsecond<256) { printf("%d.%d.%d.%d\n",l.Dfirst,l.Dsecond,l.Dthird,l.Dfourth); fprintf(out,"%d.%d.%d.%d\n",l.Dfirst,l.Dsecond,l.Dthird,l.Dfourth); l.Dsecond++; } }//A类地址生成完毕 //B类地址FIRST最大191 l.Dfirst=190; l.Dsecond=100; l.Dthird=100; l.Dfourth=100; //B类IP起始地址190.100.100.100 while(l.Dfirst<=191) { if(l.Dfourth<255) { printf("%d.%d.%d.%d\n",l.Dfirst,l.Dsecond,l.Dthird,l.Dfourth); fprintf(out,"%d.%d.%d.%d\n",l.Dfirst,l.Dsecond,l.Dthird,l.Dfourth); l.Dfourth++; } else if (l.Dthird<255) { printf("%d.%d.%d.%d\n",l.Dfirst,l.Dsecond,l.Dthird,l.Dfourth); fprintf(out,"%d.%d.%d.%d\n",l.Dfirst,l.Dsecond,l.Dthird,l.Dfourth); l.Dthird++; } else if (l.Dsecond<256) { printf("%d.%d.%d.%d\n",l.Dfirst,l.Dsecond,l.Dthird,l.Dfourth); fprintf(out,"%d.%d.%d.%d\n",l.Dfirst,l.Dsecond,l.Dthird,l.Dfourth); l.Dsecond++; } else { l.Dfirst++; l.Dsecond=0; l.Dthird=0; l.Dfourth=0; } }//B类地址生成完毕 fclose(out);